Not everybody can become a blogger, I think a blogger must have these requirements:

1. Good at language and philology:

Blogger write blog, so you must be good at writing. I have never known a blogger that is bad at writing.

2. Good at computer skills:

You don’t have to be excellent at an exciting specialty but you must be good at many computer skills, such as: computer, blog, html, internet tips, etc.

3. Patience:

You must patient to wait your blog grow up.

You must patient to wait to get your money.

You must patient to write your articles every day.

You must patient to etc.

4. Good at marketing, PR, Sales:

You’ll need some marketing skills to bring your blog to as much as possible reader.

You’ll need some PR skills to answer your readers, make events in your blog.

And you’ll need some Sales skills to affiliate and earn money from your blog.

5. Can self-educated:

A blogger will never stop to learning. Many services and new techniques will be born, and you must learn them to continue your job.